91 lines
4.8 KiB
Rust
91 lines
4.8 KiB
Rust
// Copyright 2012-2017 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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use std_unicode::lossy::*;
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#[test]
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fn chunks() {
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let mut iter = Utf8Lossy::from_bytes(b"hello").chunks();
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assert_eq!(Some(Utf8LossyChunk { valid: "hello", broken: b"", }), iter.next());
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assert_eq!(None, iter.next());
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let mut iter = Utf8Lossy::from_bytes("ศไทย中华Việt Nam".as_bytes()).chunks();
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assert_eq!(Some(Utf8LossyChunk { valid: "ศไทย中华Việt Nam", broken: b"", }), iter.next());
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assert_eq!(None, iter.next());
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let mut iter = Utf8Lossy::from_bytes(b"Hello\xC2 There\xFF Goodbye").chunks();
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assert_eq!(Some(Utf8LossyChunk { valid: "Hello", broken: b"\xC2", }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: " There", broken: b"\xFF", }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: " Goodbye", broken: b"", }), iter.next());
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assert_eq!(None, iter.next());
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let mut iter = Utf8Lossy::from_bytes(b"Hello\xC0\x80 There\xE6\x83 Goodbye").chunks();
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assert_eq!(Some(Utf8LossyChunk { valid: "Hello", broken: b"\xC0", }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "", broken: b"\x80", }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: " There", broken: b"\xE6\x83", }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: " Goodbye", broken: b"", }), iter.next());
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assert_eq!(None, iter.next());
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let mut iter = Utf8Lossy::from_bytes(b"\xF5foo\xF5\x80bar").chunks();
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assert_eq!(Some(Utf8LossyChunk { valid: "", broken: b"\xF5", }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "foo", broken: b"\xF5", }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "", broken: b"\x80", }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "bar", broken: b"", }), iter.next());
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assert_eq!(None, iter.next());
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let mut iter = Utf8Lossy::from_bytes(b"\xF1foo\xF1\x80bar\xF1\x80\x80baz").chunks();
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assert_eq!(Some(Utf8LossyChunk { valid: "", broken: b"\xF1", }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "foo", broken: b"\xF1\x80", }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "bar", broken: b"\xF1\x80\x80", }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "baz", broken: b"", }), iter.next());
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assert_eq!(None, iter.next());
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let mut iter = Utf8Lossy::from_bytes(b"\xF4foo\xF4\x80bar\xF4\xBFbaz").chunks();
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assert_eq!(Some(Utf8LossyChunk { valid: "", broken: b"\xF4", }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "foo", broken: b"\xF4\x80", }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "bar", broken: b"\xF4", }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "", broken: b"\xBF", }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "baz", broken: b"", }), iter.next());
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assert_eq!(None, iter.next());
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let mut iter = Utf8Lossy::from_bytes(b"\xF0\x80\x80\x80foo\xF0\x90\x80\x80bar").chunks();
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assert_eq!(Some(Utf8LossyChunk { valid: "", broken: b"\xF0", }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "", broken: b"\x80", }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "", broken: b"\x80", }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "", broken: b"\x80", }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "foo\u{10000}bar", broken: b"", }), iter.next());
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assert_eq!(None, iter.next());
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// surrogates
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let mut iter = Utf8Lossy::from_bytes(b"\xED\xA0\x80foo\xED\xBF\xBFbar").chunks();
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assert_eq!(Some(Utf8LossyChunk { valid: "", broken: b"\xED", }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "", broken: b"\xA0", }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "", broken: b"\x80", }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "foo", broken: b"\xED", }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "", broken: b"\xBF", }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "", broken: b"\xBF", }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "bar", broken: b"", }), iter.next());
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assert_eq!(None, iter.next());
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}
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#[test]
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fn display() {
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assert_eq!(
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"Hello\u{FFFD}\u{FFFD} There\u{FFFD} Goodbye",
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&format!("{}", Utf8Lossy::from_bytes(b"Hello\xC0\x80 There\xE6\x83 Goodbye")));
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}
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#[test]
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fn debug() {
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assert_eq!(
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"\"Hello\\xc0\\x80 There\\xe6\\x83 Goodbye\\u{10d4ea}\"",
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&format!("{:?}", Utf8Lossy::from_bytes(
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b"Hello\xC0\x80 There\xE6\x83 Goodbye\xf4\x8d\x93\xaa")));
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}
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